[Qemu-devel] [PULL 05/11] target/mips: Guard check_insn_opc_user_only with INSN_R5900 check

[Aleksandar Markovic]

From: Fredrik Noring <nor...@nocrew.org>

Avoid using check_opc_user_only() as a decision making code wrt
various architectures. Use ctx->insn_flags checks instead.

Reviewed-by: Aleksandar Markovic <amarko...@wavecomp.com>
Signed-off-by: Fredrik Noring <nor...@nocrew.org>
---
 target/mips/translate.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/target/mips/translate.c b/target/mips/translate.c
index a21b277..c79da3c 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -28313,7 +28313,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext 
*ctx)
          break;
     case OPC_LL: /* Load and stores */
         check_insn(ctx, ISA_MIPS2);
-        check_insn_opc_user_only(ctx, INSN_R5900);
+        if (ctx->insn_flags & INSN_R5900) {
+            check_insn_opc_user_only(ctx, INSN_R5900);
+        }
         /* Fallthrough */
     case OPC_LWL:
     case OPC_LWR:
@@ -28339,7 +28341,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext 
*ctx)
     case OPC_SC:
         check_insn(ctx, ISA_MIPS2);
          check_insn_opc_removed(ctx, ISA_MIPS32R6);
-        check_insn_opc_user_only(ctx, INSN_R5900);
+        if (ctx->insn_flags & INSN_R5900) {
+            check_insn_opc_user_only(ctx, INSN_R5900);
+        }
          gen_st_cond(ctx, op, rt, rs, imm);
          break;
     case OPC_CACHE:
@@ -28607,7 +28611,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext 
*ctx)
 #if defined(TARGET_MIPS64)
     /* MIPS64 opcodes */
     case OPC_LLD:
-        check_insn_opc_user_only(ctx, INSN_R5900);
+        if (ctx->insn_flags & INSN_R5900) {
+            check_insn_opc_user_only(ctx, INSN_R5900);
+        }
         /* fall through */
     case OPC_LDL:
     case OPC_LDR:
@@ -28631,7 +28637,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext 
*ctx)
     case OPC_SCD:
         check_insn_opc_removed(ctx, ISA_MIPS32R6);
         check_insn(ctx, ISA_MIPS3);
-        check_insn_opc_user_only(ctx, INSN_R5900);
+        if (ctx->insn_flags & INSN_R5900) {
+            check_insn_opc_user_only(ctx, INSN_R5900);
+        }
         check_mips_64(ctx);
         gen_st_cond(ctx, op, rt, rs, imm);
         break;
-- 
2.7.4